Well that's easy to stop:
PHP Code:
function onKeypressed() {
if (keydown(6)) {
if (temp.keydown==false) {
triggeraction(player.x+1.5+vecx(player.dir)*2,player.y+2.5+vecy(player.dir)*2,"grabbed",parameters...);
temp.keydown=true;
}
} else temp.keydown=false;
}